
App({
  onLaunch: function () {
    wx.getSystemInfo({
      success: e => {
        this.globalData.statusBar = e.statusBarHeight; //状态栏高度
        let custom = wx.getMenuButtonBoundingClientRect();//菜单按钮
        this.globalData.custom = custom;
        this.globalData.customBar = custom.bottom + custom.top - e.statusBarHeight;
        //计算得到定义的状态栏高度
      }
    })
  },
  globalData: {}
})